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Vinvika [58]
3 years ago
13

If I got 89 marks out of 121, what is my % average?

Mathematics
1 answer:
LenKa [72]3 years ago
5 0

You divide it

\frac{89}{121}

Your percent average is

74%

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Compute the number of vinyl tiles, measuring 25 cm each side, needed to tile a kitchen measuring 102 ft. by 18 ft. Try not to ro
nadya68 [22]

Answer:   2730 tiles (Approx)    

Step-by-step explanation:

Since, The side length of each side = 25

According to the question the shape of the tile is square.

Thus, the area of one tile = 25 × 25 = 625 cm^2

Also, we need to tile a kitchen measuring 102 ft. by 18 ft

Thus, the area of the room in which we have to tile =  102 × 18 = 1836 feet^2 = 1836×30.48 × 30.48 = 1705699.8144 cm^2

Thus, the total number of the tiles = the area of the room in which we have to tile / the area of one tile = \frac{1705699.8144}{625} = 2729.11970304

Since, we must take 2730 tiles to tile the kitchen.

3 0
3 years ago
Read 2 more answers
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algol [13]

Answer:

√x

Step-by-step explanation:

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bⁿ = 1\b⁻ⁿ

Then, according to the Definition of Rational Exponents [part I], rewrite this as a radical, which in this case would be √x. This is when your numerator is 1:

ⁿ√aᵐ = aᵐ\ⁿ

If you are ever in need of assistance, do not hesitate to let me know by subscribing to my You-Tube channel [USERNAME: MATHEMATICS WIZARD], and as always, I am joyous to assist anyone at any time.

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4 0
2 years ago
Louise measured the perimeter of her rectangular scrapbook to be 156 cm. If the scrapbook is 43 cm wide, how long is the scrapbo
Montano1993 [528]

Answer:

L=35cm

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8 0
3 years ago
What the percent change from 50; 35
il63 [147K]
50 -> 35=change by 15
change by 5=10%
so multiply by 3 
3(5)=3(10%)
15=30%
5 0
3 years ago
2x+12=6x-12<br> show all work
kenny6666 [7]
First off we want to combine "like-terms"
1. Subtract 6x , so it will look like this: 2x-6x+12=-12
2. Subtract the -12 from the first side so it looks like 2x-6x=-12-12
3. Combine like terms. So: -3x=-24 . The negatives will cancel out when dividing 24/3.

The final answer is 8 after dividing. Hope this helped!
6 0
2 years ago
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